Having had problems with vave guide oil seals myself and discussing the problem with Chris at Grumpy 1260, Ape seals worked perfectly well with Ape valve guides, but not with standard ones. So I always fit genuine ones now and not had any problems.Rob

Fantastic weekend with excellent weather. Caught with loads of friends and had found out where Grismby A and E is, get well soon, Martin. The Lawson ran great, although it has developed an oil leak, so I will track that down, but after being thrashed for 7 sessions, I think it did well. To top the w...

I have just had a similar problem. I had just rebuilt my engine after a rebore and fitted smaller idle jets and it kept on hanging, went through all the usual fault finding procedures and got no where. So I put the larger jets back in and it was fixed.Rob